struct tree *source_tree;
};
-static int post_checkout_hook(struct commit *old, struct commit *new,
+static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
int changed)
{
return run_hook_le(NULL, "post-checkout",
- oid_to_hex(old ? &old->object.oid : &null_oid),
- oid_to_hex(new ? &new->object.oid : &null_oid),
+ oid_to_hex(old_commit ? &old_commit->object.oid : &null_oid),
+ oid_to_hex(new_commit ? &new_commit->object.oid : &null_oid),
changed ? "1" : "0", NULL);
- /* "new" can be NULL when checking out from the index before
+ /* "new_commit" can be NULL when checking out from the index before
a commit exists. */
}
* (it also writes the merge result to the object database even
* when it may contain conflicts).
*/
- if (write_sha1_file(result_buf.ptr, result_buf.size,
- blob_type, oid.hash))
+ if (write_object_file(result_buf.ptr, result_buf.size, blob_type, &oid))
die(_("Unable to add merge result for '%s'"), path);
free(result_buf.ptr);
ce = make_cache_entry(mode, oid.hash, path, 2, 0);
}
static int merge_working_tree(const struct checkout_opts *opts,
- struct branch_info *old,
- struct branch_info *new,
+ struct branch_info *old_branch_info,
+ struct branch_info *new_branch_info,
int *writeout_error)
{
int ret;
resolve_undo_clear();
if (opts->force) {
- ret = reset_tree(new->commit->tree, opts, 1, writeout_error);
+ ret = reset_tree(new_branch_info->commit->tree, opts, 1, writeout_error);
if (ret)
return ret;
} else {
topts.initial_checkout = is_cache_unborn();
topts.update = 1;
topts.merge = 1;
- topts.gently = opts->merge && old->commit;
+ topts.gently = opts->merge && old_branch_info->commit;
topts.verbose_update = opts->show_progress;
topts.fn = twoway_merge;
if (opts->overwrite_ignore) {
topts.dir->flags |= DIR_SHOW_IGNORED;
setup_standard_excludes(topts.dir);
}
- tree = parse_tree_indirect(old->commit ?
- &old->commit->object.oid :
+ tree = parse_tree_indirect(old_branch_info->commit ?
+ &old_branch_info->commit->object.oid :
the_hash_algo->empty_tree);
init_tree_desc(&trees[0], tree->buffer, tree->size);
- tree = parse_tree_indirect(&new->commit->object.oid);
+ tree = parse_tree_indirect(&new_branch_info->commit->object.oid);
init_tree_desc(&trees[1], tree->buffer, tree->size);
ret = unpack_trees(2, trees, &topts);
return 1;
/*
- * Without old->commit, the below is the same as
+ * Without old_branch_info->commit, the below is the same as
* the two-tree unpack we already tried and failed.
*/
- if (!old->commit)
+ if (!old_branch_info->commit)
return 1;
/* Do more real merge */
o.verbosity = 0;
work = write_tree_from_memory(&o);
- ret = reset_tree(new->commit->tree, opts, 1,
+ ret = reset_tree(new_branch_info->commit->tree, opts, 1,
writeout_error);
if (ret)
return ret;
- o.ancestor = old->name;
- o.branch1 = new->name;
+ o.ancestor = old_branch_info->name;
+ o.branch1 = new_branch_info->name;
o.branch2 = "local";
- ret = merge_trees(&o, new->commit->tree, work,
- old->commit->tree, &result);
+ ret = merge_trees(&o, new_branch_info->commit->tree, work,
+ old_branch_info->commit->tree, &result);
if (ret < 0)
exit(128);
- ret = reset_tree(new->commit->tree, opts, 0,
+ ret = reset_tree(new_branch_info->commit->tree, opts, 0,
writeout_error);
strbuf_release(&o.obuf);
if (ret)
die(_("unable to write new index file"));
if (!opts->force && !opts->quiet)
- show_local_changes(&new->commit->object, &opts->diff_options);
+ show_local_changes(&new_branch_info->commit->object, &opts->diff_options);
return 0;
}
-static void report_tracking(struct branch_info *new)
+static void report_tracking(struct branch_info *new_branch_info)
{
struct strbuf sb = STRBUF_INIT;
- struct branch *branch = branch_get(new->name);
+ struct branch *branch = branch_get(new_branch_info->name);
- if (!format_tracking_info(branch, &sb))
+ if (!format_tracking_info(branch, &sb, AHEAD_BEHIND_FULL))
return;
fputs(sb.buf, stdout);
strbuf_release(&sb);
}
static void update_refs_for_switch(const struct checkout_opts *opts,
- struct branch_info *old,
- struct branch_info *new)
+ struct branch_info *old_branch_info,
+ struct branch_info *new_branch_info)
{
struct strbuf msg = STRBUF_INIT;
const char *old_desc, *reflog_msg;
free(refname);
}
else
- create_branch(opts->new_branch, new->name,
+ create_branch(opts->new_branch, new_branch_info->name,
opts->new_branch_force ? 1 : 0,
opts->new_branch_force ? 1 : 0,
opts->new_branch_log,
opts->quiet,
opts->track);
- new->name = opts->new_branch;
- setup_branch_path(new);
+ new_branch_info->name = opts->new_branch;
+ setup_branch_path(new_branch_info);
}
- old_desc = old->name;
- if (!old_desc && old->commit)
- old_desc = oid_to_hex(&old->commit->object.oid);
+ old_desc = old_branch_info->name;
+ if (!old_desc && old_branch_info->commit)
+ old_desc = oid_to_hex(&old_branch_info->commit->object.oid);
reflog_msg = getenv("GIT_REFLOG_ACTION");
if (!reflog_msg)
strbuf_addf(&msg, "checkout: moving from %s to %s",
- old_desc ? old_desc : "(invalid)", new->name);
+ old_desc ? old_desc : "(invalid)", new_branch_info->name);
else
strbuf_insert(&msg, 0, reflog_msg, strlen(reflog_msg));
- if (!strcmp(new->name, "HEAD") && !new->path && !opts->force_detach) {
+ if (!strcmp(new_branch_info->name, "HEAD") && !new_branch_info->path && !opts->force_detach) {
/* Nothing to do. */
- } else if (opts->force_detach || !new->path) { /* No longer on any branch. */
- update_ref(msg.buf, "HEAD", &new->commit->object.oid, NULL,
+ } else if (opts->force_detach || !new_branch_info->path) { /* No longer on any branch. */
+ update_ref(msg.buf, "HEAD", &new_branch_info->commit->object.oid, NULL,
REF_NO_DEREF, UPDATE_REFS_DIE_ON_ERR);
if (!opts->quiet) {
- if (old->path &&
+ if (old_branch_info->path &&
advice_detached_head && !opts->force_detach)
- detach_advice(new->name);
- describe_detached_head(_("HEAD is now at"), new->commit);
+ detach_advice(new_branch_info->name);
+ describe_detached_head(_("HEAD is now at"), new_branch_info->commit);
}
- } else if (new->path) { /* Switch branches. */
- if (create_symref("HEAD", new->path, msg.buf) < 0)
+ } else if (new_branch_info->path) { /* Switch branches. */
+ if (create_symref("HEAD", new_branch_info->path, msg.buf) < 0)
die(_("unable to update HEAD"));
if (!opts->quiet) {
- if (old->path && !strcmp(new->path, old->path)) {
+ if (old_branch_info->path && !strcmp(new_branch_info->path, old_branch_info->path)) {
if (opts->new_branch_force)
fprintf(stderr, _("Reset branch '%s'\n"),
- new->name);
+ new_branch_info->name);
else
fprintf(stderr, _("Already on '%s'\n"),
- new->name);
+ new_branch_info->name);
} else if (opts->new_branch) {
if (opts->branch_exists)
- fprintf(stderr, _("Switched to and reset branch '%s'\n"), new->name);
+ fprintf(stderr, _("Switched to and reset branch '%s'\n"), new_branch_info->name);
else
- fprintf(stderr, _("Switched to a new branch '%s'\n"), new->name);
+ fprintf(stderr, _("Switched to a new branch '%s'\n"), new_branch_info->name);
} else {
fprintf(stderr, _("Switched to branch '%s'\n"),
- new->name);
+ new_branch_info->name);
}
}
- if (old->path && old->name) {
- if (!ref_exists(old->path) && reflog_exists(old->path))
- delete_reflog(old->path);
+ if (old_branch_info->path && old_branch_info->name) {
+ if (!ref_exists(old_branch_info->path) && reflog_exists(old_branch_info->path))
+ delete_reflog(old_branch_info->path);
}
}
remove_branch_state();
strbuf_release(&msg);
if (!opts->quiet &&
- (new->path || (!opts->force_detach && !strcmp(new->name, "HEAD"))))
- report_tracking(new);
+ (new_branch_info->path || (!opts->force_detach && !strcmp(new_branch_info->name, "HEAD"))))
+ report_tracking(new_branch_info);
}
static int add_pending_uninteresting_ref(const char *refname,
* HEAD. If it is not reachable from any ref, this is the last chance
* for the user to do so without resorting to reflog.
*/
-static void orphaned_commit_warning(struct commit *old, struct commit *new)
+static void orphaned_commit_warning(struct commit *old_commit, struct commit *new_commit)
{
struct rev_info revs;
- struct object *object = &old->object;
+ struct object *object = &old_commit->object;
init_revisions(&revs, NULL);
setup_revisions(0, NULL, &revs, NULL);
add_pending_object(&revs, object, oid_to_hex(&object->oid));
for_each_ref(add_pending_uninteresting_ref, &revs);
- add_pending_oid(&revs, "HEAD", &new->object.oid, UNINTERESTING);
+ add_pending_oid(&revs, "HEAD", &new_commit->object.oid, UNINTERESTING);
if (prepare_revision_walk(&revs))
die(_("internal error in revision walk"));
- if (!(old->object.flags & UNINTERESTING))
- suggest_reattach(old, &revs);
+ if (!(old_commit->object.flags & UNINTERESTING))
+ suggest_reattach(old_commit, &revs);
else
- describe_detached_head(_("Previous HEAD position was"), old);
+ describe_detached_head(_("Previous HEAD position was"), old_commit);
/* Clean up objects used, as they will be reused. */
clear_commit_marks_all(ALL_REV_FLAGS);
}
static int switch_branches(const struct checkout_opts *opts,
- struct branch_info *new)
+ struct branch_info *new_branch_info)
{
int ret = 0;
- struct branch_info old;
+ struct branch_info old_branch_info;
void *path_to_free;
struct object_id rev;
int flag, writeout_error = 0;
- memset(&old, 0, sizeof(old));
- old.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
- if (old.path)
- old.commit = lookup_commit_reference_gently(&rev, 1);
+ memset(&old_branch_info, 0, sizeof(old_branch_info));
+ old_branch_info.path = path_to_free = resolve_refdup("HEAD", 0, &rev, &flag);
+ if (old_branch_info.path)
+ old_branch_info.commit = lookup_commit_reference_gently(&rev, 1);
if (!(flag & REF_ISSYMREF))
- old.path = NULL;
+ old_branch_info.path = NULL;
- if (old.path)
- skip_prefix(old.path, "refs/heads/", &old.name);
+ if (old_branch_info.path)
+ skip_prefix(old_branch_info.path, "refs/heads/", &old_branch_info.name);
- if (!new->name) {
- new->name = "HEAD";
- new->commit = old.commit;
- if (!new->commit)
+ if (!new_branch_info->name) {
+ new_branch_info->name = "HEAD";
+ new_branch_info->commit = old_branch_info.commit;
+ if (!new_branch_info->commit)
die(_("You are on a branch yet to be born"));
- parse_commit_or_die(new->commit);
+ parse_commit_or_die(new_branch_info->commit);
}
- ret = merge_working_tree(opts, &old, new, &writeout_error);
+ ret = merge_working_tree(opts, &old_branch_info, new_branch_info, &writeout_error);
if (ret) {
free(path_to_free);
return ret;
}
- if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
- orphaned_commit_warning(old.commit, new->commit);
+ if (!opts->quiet && !old_branch_info.path && old_branch_info.commit && new_branch_info->commit != old_branch_info.commit)
+ orphaned_commit_warning(old_branch_info.commit, new_branch_info->commit);
- update_refs_for_switch(opts, &old, new);
+ update_refs_for_switch(opts, &old_branch_info, new_branch_info);
- ret = post_checkout_hook(old.commit, new->commit, 1);
+ ret = post_checkout_hook(old_branch_info.commit, new_branch_info->commit, 1);
free(path_to_free);
return ret || writeout_error;
}
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
- struct branch_info *new,
+ struct branch_info *new_branch_info,
struct checkout_opts *opts,
struct object_id *rev)
{
argv++;
argc--;
- new->name = arg;
- setup_branch_path(new);
+ new_branch_info->name = arg;
+ setup_branch_path(new_branch_info);
- if (!check_refname_format(new->path, 0) &&
- !read_ref(new->path, &branch_rev))
+ if (!check_refname_format(new_branch_info->path, 0) &&
+ !read_ref(new_branch_info->path, &branch_rev))
oidcpy(rev, &branch_rev);
else
- new->path = NULL; /* not an existing branch */
+ new_branch_info->path = NULL; /* not an existing branch */
- new->commit = lookup_commit_reference_gently(rev, 1);
- if (!new->commit) {
+ new_branch_info->commit = lookup_commit_reference_gently(rev, 1);
+ if (!new_branch_info->commit) {
/* not a commit */
*source_tree = parse_tree_indirect(rev);
} else {
- parse_commit_or_die(new->commit);
- *source_tree = new->commit->tree;
+ parse_commit_or_die(new_branch_info->commit);
+ *source_tree = new_branch_info->commit->tree;
}
if (!*source_tree) /* case (1): want a tree */
}
static int checkout_branch(struct checkout_opts *opts,
- struct branch_info *new)
+ struct branch_info *new_branch_info)
{
if (opts->pathspec.nr)
die(_("paths cannot be used with switching branches"));
} else if (opts->track == BRANCH_TRACK_UNSPECIFIED)
opts->track = git_branch_track;
- if (new->name && !new->commit)
+ if (new_branch_info->name && !new_branch_info->commit)
die(_("Cannot switch branch to a non-commit '%s'"),
- new->name);
+ new_branch_info->name);
- if (new->path && !opts->force_detach && !opts->new_branch &&
+ if (new_branch_info->path && !opts->force_detach && !opts->new_branch &&
!opts->ignore_other_worktrees) {
int flag;
char *head_ref = resolve_refdup("HEAD", 0, NULL, &flag);
if (head_ref &&
- (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)))
- die_if_checked_out(new->path, 1);
+ (!(flag & REF_ISSYMREF) || strcmp(head_ref, new_branch_info->path)))
+ die_if_checked_out(new_branch_info->path, 1);
free(head_ref);
}
- if (!new->commit && opts->new_branch) {
+ if (!new_branch_info->commit && opts->new_branch) {
struct object_id rev;
int flag;
(flag & REF_ISSYMREF) && is_null_oid(&rev))
return switch_unborn_to_new_branch(opts);
}
- return switch_branches(opts, new);
+ return switch_branches(opts, new_branch_info);
}
int cmd_checkout(int argc, const char **argv, const char *prefix)
{
struct checkout_opts opts;
- struct branch_info new;
+ struct branch_info new_branch_info;
char *conflict_style = NULL;
int dwim_new_local_branch = 1;
struct option options[] = {
};
memset(&opts, 0, sizeof(opts));
- memset(&new, 0, sizeof(new));
+ memset(&new_branch_info, 0, sizeof(new_branch_info));
opts.overwrite_ignore = 1;
opts.prefix = prefix;
opts.show_progress = -1;
opts.track == BRANCH_TRACK_UNSPECIFIED &&
!opts.new_branch;
int n = parse_branchname_arg(argc, argv, dwim_ok,
- &new, &opts, &rev);
+ &new_branch_info, &opts, &rev);
argv += n;
argc -= n;
}
UNLEAK(opts);
if (opts.patch_mode || opts.pathspec.nr)
- return checkout_paths(&opts, new.name);
+ return checkout_paths(&opts, new_branch_info.name);
else
- return checkout_branch(&opts, &new);
+ return checkout_branch(&opts, &new_branch_info);
}